Retrospective Assessment of Pulmonary Embolism in Pregnancy and Evaluation of Pregnancy-Adapted YEARS Algorithm

To explore the diagnostic performance of the pregnancy adapted YEARS algorithm applied to an Australian patient population with concurrent evaluation of its efficacy towards scan reduction.

The pregnancy adapted YEARS algorithm was applied to pregnant patients retrospectively at this single site study to determine a theoretical pathway in comparison to actual management.

Of 119 included patients, six (5%) had pulmonary emboli (PE). Retrospective application of the pregnancy-adapted YEARS algorithm missed no PE diagnosis. Theoretical application would have resulted in an 11.7% reduction in total CTPA and V/Q scans performed.

Our study supports the diagnostic performance benefits of the pregnancy adapted YEARS algorithm and can potentially reduce unnecessary imaging.